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Azul

LLVM Compiler Engineer

Azul·2 months ago

⏰ Full-time📈 Mid Level📍 Prague, Czech Republic📅 Jul 31, 2026

As the only company focused 100% on Java, Azul is building the Java platform for the modern cloud enterprise. We are reimagining how customers use Java, bringing them the tools and insight they need to deliver faster, more performant, more dependable, and less expensive Java services. Come join one of the most influential members of the Java and OpenJDK community and help influence the future of Java.

Falcon is one of the key technologies in Azul Platform Prime. It is a Just-In-Time compiler for Java bytecode based on LLVM that pushes Java performance to the levels never reached before. Azul's compiler team is looking for an LLVM Compiler Engineer interested in helping us improve Falcon even further.

In this role you will be working with a distributed but highly collaborative team of compiler experts. You will be creating new features and optimization in Falcon compiler, improving LLVM performance for managed languages, and contributing to open source.

Minimum Requirements

  • Strong C/C++ design and coding skills
  • 5+ years of experience developing LLVM compilers, or transferable experience with another compiler
  • Strong background in compiler theory and development

Very Nice to Have / Preferred Experience

  • Solid experience in developing language runtimes and JIT compilers
  • Thorough knowledge of x86_64 and/or ARM64 instruction sets and optimizations
  • Performance analysis experience
  • Experience with Java, Scala or Kotlin
  • PhD in Computer Science, and/or significant research experience

What We Offer

  • Opportunity to make a high impact at a growing, global company
  • Work alongside top experts worldwide contributing to the Java ecosystem
  • Referral Program — help us grow with great people
  • Premium IT equipment — MacBook Pro or hardware of your choice
  • 5 weeks of holidays + 5 sick days
  • Flexible working hours; full remote possible
  • Prague / Limassol / Belgrade city center offices — hybrid or full-remote also possible
  • Competitive compensation

Market context

Measured from remote postings we have tracked ourselves — not self-reported survey data.

What Mid Level Other roles in Europe pay

25th
$37k
Median
$37k
75th
$49k

Based on 31 comparable postings with disclosed salaries, last 12 months.

How Azul is hiring

Last 90 days
13 roles
Total tracked
51
Hiring across
9 job families

Tracked since February 2025.

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